[1] [CITE@en[The Contacts API]]
([TIME[2010-01-20 21:39:24 +09:00]] 版)
<http://www.w3.org/TR/2010/WD-contacts-api-20100121/>

[2] [CITE@en[Contacts Manager API]]
( ([TIME[2013-03-06 00:33:06 +09:00]] 版))
<http://www.w3.org/TR/2013/WD-contacts-manager-api-20130307/>